

import random





def 	__a     (      A__			:  int			,  A__			:  float			,  A__			:  bool = False       ):
    SCREAMING_SNAKE_CASE										=   {i: [] for i in range(A__       )}

    # if probability is greater or equal than 1, then generate a complete graph
    if probability >= 1:
        return complete_graph(A__       )
    # if probability is lower or equal than 0, then return a graph without edges
    if probability <= 0:
        return graph

    # for each couple of nodes, add an edge from u to v
    # if the number randomly generated is greater than probability probability
    for i in range(A__       ):
        for j in range(i + 1			,  A__       ):
            if random.random() < probability:
                graph[i].append(A__       )
                if not directed:
                    # if the graph is undirected, add an edge in from j to i, either
                    graph[j].append(A__       )
    return graph





def 	__a     (      A__			:  int       ):
    return {
        i: [j for j in range(A__       ) if i != j] for i in range(A__       )
    }


if __name__ == "__main__":
    import doctest

    doctest.testmod()

"""simple docstring"""






from __future__ import annotations



class 			lowercase					:






			def __init__(self  :	List[Any]      ,SCREAMING_SNAKE_CASE_  :	int = 0			)       ->	List[Any]:





				"""simple docstring"""


				lowerCAmelCase												=  key






			def 					UpperCAmelCase							(self  :	Tuple      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int			)       ->	list[str]:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				lowerCAmelCase												=  key or self.__key or 1

				# make sure key is an appropriate size
				key %= 255

				return [chr(ord(SCREAMING_SNAKE_CASE_			) ^ key			) for ch in content]






			def 					UpperCAmelCase							(self  :	int      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int			)       ->	list[str]:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				lowerCAmelCase												=  key or self.__key or 1

				# make sure key is an appropriate size
				key %= 255

				return [chr(ord(SCREAMING_SNAKE_CASE_			) ^ key			) for ch in content]






			def 					UpperCAmelCase							(self  :	Union[str, Any]      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int = 0			)       ->	str:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				lowerCAmelCase												=  key or self.__key or 1

				# make sure key can be any size
				while key > 255:
					key -= 255

				# This will be returned
				lowerCAmelCase												=  ''''''

				for ch in content:
					ans += chr(ord(SCREAMING_SNAKE_CASE_			) ^ key			)

				return ans






			def 					UpperCAmelCase							(self  :	Union[str, Any]      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int = 0			)       ->	str:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				lowerCAmelCase												=  key or self.__key or 1

				# make sure key can be any size
				while key > 255:
					key -= 255

				# This will be returned
				lowerCAmelCase												=  ''''''

				for ch in content:
					ans += chr(ord(SCREAMING_SNAKE_CASE_			) ^ key			)

				return ans






			def 					UpperCAmelCase							(self  :	List[str]      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int = 0			)       ->	bool:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				try:
					with open(SCREAMING_SNAKE_CASE_			) as fin, open('''encrypt.out'''      ,'''w+'''			) as fout:
						# actual encrypt-process
						for line in fin:
							fout.write(self.encrypt_string(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)			)

				except OSError:
					return False

				return True






			def 					UpperCAmelCase							(self  :	List[Any]      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	int			)       ->	bool:





				"""simple docstring"""


				assert isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			) and isinstance(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)

				try:
					with open(SCREAMING_SNAKE_CASE_			) as fin, open('''decrypt.out'''      ,'''w+'''			) as fout:
						# actual encrypt-process
						for line in fin:
							fout.write(self.decrypt_string(SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_			)			)

				except OSError:
					return False

				return True


# Tests
# crypt = XORCipher()
# key = 67

# # test encrypt
# print(crypt.encrypt("hallo welt",key))
# # test decrypt
# print(crypt.decrypt(crypt.encrypt("hallo welt",key), key))

# # test encrypt_string
# print(crypt.encrypt_string("hallo welt",key))

# # test decrypt_string
# print(crypt.decrypt_string(crypt.encrypt_string("hallo welt",key),key))

# if (crypt.encrypt_file("test.txt",key)):
#       print("encrypt successful")
# else:
#       print("encrypt unsuccessful")

# if (crypt.decrypt_file("encrypt.out",key)):
#       print("decrypt successful")
# else:
#       print("decrypt unsuccessful")


